DEVICE FOR FLOAT FINISH AND SMOOTHING OF SURFACES Russian patent published in 1997 - IPC

FIELD: float finish of plastered surfaces and smoothing of damp cement-sand and concrete surfaces. SUBSTANCE: magnetostriction vibrator is installed inside the body. Two arched links of a definite length are rigidly connected to the magnetostriction vibrator, they are intended to amplify the amplitude of vibrations. Their working part is bent perpendicularly to the halves of the working member. The free ends of the vibration amplitude amplifiers are engageable in the butt end with the surface of the retainers of the working member halves. The working member halves are connected to the body with the central axle and flexible coupling by means of an adjusting spring. A handle is available on the body. EFFECT: enhanced efficiency. 3 dwg